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Materials

Diorite

Igneous Rocks

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Diorite is an intrusive igneous rock formed by the slow cooling underground of magma with a moderate silica content and a relatively low content of alkali metals. It is intermediate in composition between low-silica mafic gabbro and high-silica felsic granite.

Facts
Kind
Rock 1
Formation Class
Igneous, intrusive (plutonic; formed by slow cooling underground of magma of intermediate silica content) 1
Cross-Tradition Connections

Associated With

Andesite, Materials

Extrusive equivalent of intrusive diorite: same magma composition, different cooling rate and depth, not a derivation of one from the other.

In Discipline

Geology, Disciplines
Sources
1. Diorite (Wikipedia)
Wikimedia FoundationLead section
Quote, Lead section
an intrusive igneous rock formed by the slow cooling underground of magma.
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Andesite (Wikipedia)
Wikimedia FoundationAssociated With: Andesite, Lead section
Quote, Associated With: Andesite, Lead section
is the extrusive equivalent of plutonic diorite.
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